diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e520e8f1..048c67c3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,12 +22,9 @@ repos:
     args: [--autofix, --indent, '2']
   - id: pretty-format-yaml
     args: [--autofix, --indent, '2']
-- repo: https://github.com/psf/black
-  rev: 23.12.1
-  hooks:
-  - id: black
 - repo: https://github.com/astral-sh/ruff-pre-commit
   rev: v0.1.11
   hooks:
   - id: ruff
-    args: [--fix, --exit-non-zero-on-fix]
+    args: [--fix, --show-fixes, --exit-non-zero-on-fix]
+  - id: ruff-format
diff --git a/docs/source/conf.py b/docs/source/conf.py
index b4c4471f..95e0e43e 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -39,7 +39,7 @@
     #'sphinx.ext.imgmath',
     #'sphinx.ext.ifconfig',
     "sphinx.ext.viewcode",
-    "myst_parser"
+    "myst_parser",
     #'sphinx.ext.intersphinx'
 ]
 
diff --git a/fuji_server/helper/request_helper.py b/fuji_server/helper/request_helper.py
index 3d7ecd9d..6ad5a852 100644
--- a/fuji_server/helper/request_helper.py
+++ b/fuji_server/helper/request_helper.py
@@ -418,9 +418,7 @@ def content_negotiate(self, metric_id="", ignore_html=True):
                                 # init to avoid empty responses
                                 self.parse_response = self.response_content
                                 while True:
-                                    for (
-                                        at
-                                    ) in (
+                                    for at in (
                                         AcceptTypes
                                     ):  # e.g., at.name = html, at.value = 'text/html, application/xhtml+xml'
                                         if at.name == "xml" and str(self.content_type).endswith("+xml"):
diff --git a/pyproject.toml b/pyproject.toml
index 12094861..2666a2d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -92,10 +92,6 @@ Homepage = "https://www.f-uji.net"
 Issues = "https://github.com/pangaea-data-publisher/fuji/issues"
 Source = "https://github.com/pangaea-data-publisher/fuji"
 
-[tool.black]
-line-length = 120
-target_version = ["py311"]
-
 [tool.coverage.report]
 show_missing = true
 skip_covered = true